Home / 725,385.35-1,088,295.51-292,880.18

Finding the Fourth Proportional to 725,385.35, 1,088,295.51 and 292,880.18

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Solution

The fourth proportional to 725,385.35, 1,088,295.51 and 292,880.18 is: 439,408.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,385.35 : 1,088,295.51 = 292,880.18 : x
  2. Step 2: Convert to fraction form
    725,385.35/1,088,295.51 = 292,880.18/x
  3. Step 3: Cross multiply
    725,385.35x = 1,088,295.51 × 292,880.18
  4. Step 4: Simplify right side
    725,385.35x = 318,740,184,861.99
  5. Step 5: Solve for x
    x = 318,740,184,861.99/725,385.35
  6. Step 6: Final answer
    x = 439,408.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.